Sierra 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
9. If equipped with a 8.1L engine, perform the following:
1. Remove the oil cooler hoses from the clip.
2. Gently pull the oil cooler pipe fittings straight out from the radiator quick connect fittings.
3. Raise and suitably support the vehicle.
10. If equipped, remove the engine shield bolts.
11. Remove the engine shield.
12. If equipped with a 6.0L engine, perform the following:
1. Remove the oil cooler hose bracket bolt (1).
2. Remove the oil cooler hose adapter bolts (2).
3. Remove the oil cooler hose assembly and gasket. Discard the gasket.
4. Inspect the fittings, connectors and cooler hoses for damage or distortion.